Applies to: Model 253 (except 253.99) as of model year 2020 with code 551 (Anti-theft warning system) with code P54 (Anti-Theft Protection package) Model 253.99 as of model year 2019 with code 551 (Anti-theft warning system) with code 9O1 (Fuel cell pre-installation) with code P54 (Anti-Theft Protection package)